test: add cli_test for fswap module #4379

Job	Run time
build (amd64, gcc)	38s
cleanup-runs	5s
build (arm64, aarch64-linux-gnu-gcc, g++-aarch64-linux-gnu)	1m 55s
install-tparse	14s
split-test-files	16s
test-cosmovisor	2m 50s
tests (00)	3m 48s
test-race (00)	3m 46s
tests (01)	4m 46s
test-race (01)	3m 21s
test-race (02)	2m 7s
tests (02)	5m 6s
test-race (03)	2m 34s
tests (03)	3m 43s
upload-coverage-report	24s
	35m 33s

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